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Database training
1.1.06. Data-design divide
Left-hand/right-hand divide
LHS: Catalog
or Meta-data
or Intension
or Schema
i.e. the Design of database
Types of data, organisation, constraints
RHS: Extension
or Snapshot
The data itself
Information stored in the database
Tuples
‹ 1.1.05. Abstraction
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1.1.07. DBMS ›
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